The names were approved in June 2018 and began being used in 2019 in conjunction with promotion of the Rally Pyramid, a reorganisation of rallying nomenclature, car specifications and championships.
[2] The numbering used in the names of the new groups align with the FIA sporting classification, Rally1 is in RC1, Rally2 in RC2, and so on.
Group Rally1 would only be used in the World Rally Championship from 2022 when it will replace the World Rally Car in the manufacturer's championship.
Group Rally2 became the new name for R5 of Group R. New cars are homologated under the new name although existing R5 cars are still eligible for Rally2 level competition.
[6] Group Rally3 introduced a new four-wheel-drive car to international rallying designed for access and cost conscious privateers.